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The 4WE6D6X/EG24N9K4QMBG24 directional spool valve is produced by Bosch Rexroth within the WE Directional Spool Valves series. It modulates hydraulic flow paths in automated systems. Continuous service is possible because the solenoid is rated for a 100 percent duty cycle. The valve operates on a 24 V DC supply, and voltage variations of up to ±10 percent are acceptable to handle typical power deviations. A 1.25 A coil draws 30 W of nominal power to shift the spool. Electrical connection is provided through a K4 plug that speeds installation. A concealed manual override designated N9 allows technicians to actuate the spool when electrical power is unavailable. Two fixed spool positions are offered, and an internal spring drives the element back to its rest state after de-energization. Inductive QM monitoring on the b side reports spool position to the control system.
The hydraulic interface conforms to nominal size 6, so passage diameters match common mobile and industrial circuits while keeping pressure losses low. Four ports manage pressure supply, actuator flow, and tank return, and the footprint follows ISO 4401-03-02-0-05 for subplate compatibility. The valve permits a maximum direct-current flow of 80 liters per minute, supporting medium-capacity actuators. Ports a, b, and p tolerate working pressures up to 350 bar, whereas the t port is limited to 210 bar to protect downstream components. These pressure limits allow integration with high-pressure pumps while keeping return lines within safe stress levels. Overall, the flow capacity, standardized mounting pattern, and defined pressure ratings establish the operating envelope required for consistent directional control in automated hydraulic equipment.
Duty Cycle
100% ED
Electrical Connector
K4
Manual Override
Concealed (N9)
Max Flow (dc)
80 l/min
Max Pressure (a,b,p)
350 bar
Max Pressure (t, Dc)
210 bar
Nominal Power
30 W
Nominal Size
6
Number Of Ports
4
Porting Pattern
ISO 4401-03-02-0-05
Rated Current
1.25 A
Spool Monitoring
Inductive QM (b)
Spool Positions
2
Spring Return
Yes
Supply Voltage
24 V DC
Voltage Tolerance
±10%
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